08-10-2020
Chemistry

contestada

X-122 has an abundance of 34.44%

Respuesta :

rmarayziaowhx46 rmarayziaowhx46

17-10-2020

Answer:

amu = 42.02

Explanation:

to calculate the average mass, first convert the percentages to decimals by dividing by 100. then, multiply the decimal by the mass number for each isotope, then add them together.

( 0.3444 x 122 ) = 42.0168 round that answer to 42.02

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